/*
 * Copyright 2017 NAVER Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.navercorp.pinpoint.profiler.context.compress;

import com.navercorp.pinpoint.profiler.context.SpanEvent;

import java.util.List;

/**
 * @author Woonduk Kang(emeroad)
 */
public class SpanEventCompressorV1 implements SpanEventCompressor<Long> {

    @Override
    public void compress(List<SpanEvent> spanEventList, final Long keyTime) {

        final long prevKeyTime = keyTime;
        for (final SpanEvent spanEvent : spanEventList) {
            final long startTime = spanEvent.getStartTime();
            final long startElapsedTime = startTime - prevKeyTime;
            spanEvent.setStartElapsed((int) startElapsedTime);


            final long endElapsedTime = spanEvent.getAfterTime() - startTime;
            if (endElapsedTime != 0) {
                spanEvent.setEndElapsed((int) endElapsedTime);
            }
        }

    }
}
